/// <summary>
/// Recursively enable or disable tracking on trackable entities in an object graph.
/// </summary>
/// <param name="item">Trackable object</param>
/// <param name="enableTracking">Enable or disable change-tracking</param>
/// <param name="visitationHelper">Circular reference checking helper</param>
/// <param name="oneToManyOnly">True if tracking should be set only for OneToMany relations</param>
public static void SetTracking(this ITrackable item, bool enableTracking,
ObjectVisitationHelper visitationHelper = null, bool oneToManyOnly = false)
{
// Iterator entity properties
foreach (var navProp in item.GetNavigationProperties())
{
// Skip if 1-M only
if (!oneToManyOnly)
{
// Set tracking on 1-1 and M-1 properties
foreach (var refProp in navProp.AsReferenceProperty())
{
// Get ref prop change tracker
ITrackingCollection refChangeTracker = item.GetRefPropertyChangeTracker(refProp.Property.Name);
if (refChangeTracker != null)
{
// Set tracking on ref prop change tracker
refChangeTracker.SetTracking(enableTracking, visitationHelper, oneToManyOnly);
}
}
}
// Set tracking on 1-M and M-M properties (if not 1-M only)
foreach (var colProp in navProp.AsCollectionProperty <ITrackingCollection>())
{
bool isOneToMany = !IsManyToManyChildCollection(colProp.EntityCollection);
if (!oneToManyOnly || isOneToMany)
{
colProp.EntityCollection.SetTracking(enableTracking, visitationHelper, oneToManyOnly);
}
}
}
}
/// <summary>
/// Recursively enable or disable tracking on trackable entities in an object graph.
/// </summary>
/// <param name="item">Trackable object</param>
/// <param name="enableTracking">Enable or disable change-tracking</param>
/// <param name="visitationHelper">Circular reference checking helper</param>
public static void SetTracking(this ITrackable item,
bool enableTracking, ObjectVisitationHelper visitationHelper = null)
{
// Iterator entity properties
foreach (var navProp in item.GetNavigationProperties())
{
// Set tracking on 1-1 and M-1 properties
foreach (var refProp in navProp.AsReferenceProperty())
{
// Get ref prop change tracker
ITrackingCollection refChangeTracker = item.GetRefPropertyChangeTracker(refProp.Property.Name);
if (refChangeTracker != null)
{
// Set tracking on ref prop change tracker
refChangeTracker.SetTracking(enableTracking, visitationHelper);
}
}
// Set tracking on 1-M and M-M properties
foreach (var colProp in navProp.AsCollectionProperty <ITrackingCollection>())
{
colProp.EntityCollection.SetTracking(enableTracking, visitationHelper);
}
}
}